Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519371 | Nonvolatile memory device and method for manufacturing the same | Hiroyuki Fukumizu, Naoya Hayamizu | 2013-08-27 |
| 8211287 | Sulfuric acid electrolysis process | Masaaki Kato, Yusuke Ogawa, Hiroki Domon, Naoya Hayamizu, Yoshiaki Kurokawa +1 more | 2012-07-03 |
| 8187449 | Cleaning method by electrolytic sulfuric acid and manufacturing method of semiconductor device | Hiroki Domon, Yusuke Ogawa, Masaaki Kato, Takamichi Kishi, Naoya Hayamizu +2 more | 2012-05-29 |
| 8137513 | Sulfuric acid electrolytic cell and a sulfuric acid recycle type cleaning system applying the sulfuric acid electrolytic cell | Masaaki Kato, Yoshiyuki Seya, Naoya Hayamizu, Yoshiaki Kurokawa, Nobuo Kobayashi | 2012-03-20 |